擅长:python、mysql、java
<p>没有看到一个确切的CSV很难知道什么是合适的。下面的代码假设最后一个标记是count,并且它匹配最后一个逗号之前的所有内容。在</p>
<pre><code># You'd need to replace the below with the appropriate code to open your file
file = """love, like, 200
love, like, 50
love, 20
say, claim, 30"""
file = file.split("\n")
words = {}
for line in file:
word,count=line.rsplit(",",1) # Note this uses String.rsplit() NOT String.split()
words[word] = words.get(word,0) + int(count)
for word in words:
print word,": ",words[word]
</code></pre>
<p>并输出:</p>
^{pr2}$